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ISL54220IUZ-T PDF预览

ISL54220IUZ-T

更新时间： 2024-11-24 11:12:07
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英特矽尔 - INTERSIL 复用器
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18页 836K
描述
High-Speed USB 2.0 (480Mbps) Multiplexer

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High-Speed USB 2.0 (480Mbps) Multiplexer  
ISL54220  
Features  
• High-Speed (480Mbps) and Full-Speed (12Mbps)  
Signaling Capability per USB 2.0  
The Intersil ISL54220 is a single supply dual 2:1  
multiplexer that can operate from a single 2.7V to 5.5V  
supply. It contains two SPDT (Single Pole/Double  
Throw) switches configured as a DPDT. The part was  
designed for switching or routing of USB High-Speed  
signals and/or USB Full-speed signals in portable  
battery powered products.  
• 1.8V Logic Compatible (2.7V to +3.6V supply)  
• Enable Pin to Open all Switches  
• Power OFF Protection  
• D-/D+ Pins Overvoltage Tolerant to 5.5V  
• -3dB Frequency . . . . . . . . . . . . . . . . . . 742MHz  
• Low ON Capacitance @ 240MHz. . . . . . . . . 4.2pF  
• Low ON-Resistance @ VDD = 5.5V . . . . . . . 4.5Ω  
• Low ON-Resistance @ VDD = 3.3V . . . . . . . 6.0Ω  
The 6Ω switches can swing rail-to-rail and were  
specifically designed to pass USB full speed data signals  
that range from 0V to 3.3V and USB high speed data  
signals that range from 0V to 400mV. They have high  
bandwidth and low capacitance to pass USB high-speed  
data signals with minimal distortion.  
• Single Supply Operation (V ) . . . . . 2.7V to 5.5V  
DD  
• Available in µTQFN, TDFN, and MSOP Packages  
• Pb-Free (RoHS Compliant)  
The digital logic inputs are 1.8V logic compatible when  
operated with a 2.7V to 3.6V supply. The ISL54220 has  
an output enable pin to open all the switches.  
• Compliant with USB 2.0 Short Circuit and  
Overvoltage Requirements Without Additional  
External Components  
The ISL54220 is available in 10 Ld 1.8mmx1.4mm  
µTQFN, 10 Ld TDFN and 10 Ld MSOP packages. It  
operates over a temperature range of -40 to +85°C.  
Applications*(see page 15)  
• MP3 and other Personal Media Players  
• Cellular/Mobile Phones  
• PDA’s  
Related Literature  
• Technical Brief TB363 “Guidelines for Handling and  
Processing Moisture Sensitive Surface Mount Devices  
(SMDs)”  
• Digital Cameras and Camcorders  
• USB Switching  
• Application Note AN1449 “ISL54220IRUEVAL1Z  
Evaluation Board User’s Manual”  
Application Block Diagram  
USB 2.0 HS Eye Pattern With  
Switches In The Signal Path  
µCONTROLLER  
V
DD  
ISL54220  
OE  
SEL  
LOGIC  
USB  
HIGH-SPEED  
VBUS  
D-  
HSD1-  
OR  
D-  
FULL-SPEED  
TRANSCEIVER  
HSD1+  
HSD2-  
USB  
D+  
D+  
HIGH_SPEED  
OR  
FULL-SPEED  
TRANSCEIVER  
HSD2+  
GND  
GND  
TIME SCALE (0.2ns/DIV)  
PORTABLE MEDIA DEVICE  
February 4, 2010  
FN6819.1  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2008, 2010. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  
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ISL54220IUZ-T 替代型号

型号 品牌 替代类型 描述 数据表
ISL54220IUZ INTERSIL

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